By chance I watched this today.
It is very good but fairly long and a lot of ground covered for a basic level.
It had some very good tips some which I already knew and a couple I did not. I had no idea about the ctrl-shift-O for toggling the light_bright command while in-game.
It also covers a few file modifications for the editor.
I noticed once I applied some of these file mods, objects and brushes now have a center mark which makes alignment easier.
If you don't have that much time or patience just divide watching it in 15 minute segments, there really will not be any regrets by watching this.
Great job on this tutorial.
One question.
How did you get the burrick on the lower corner of your screen? Did you modify your software somehow?